<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>File Editor</title>
</head>
<body>
    <form action="cgi-bin/edit.py" method="POST">
        <b>File name:</b><br />
        <input type="text" name="filename" />
        <input type="submit" value="Open">
    </form>
</body>
</html>